How To Fix S{100 - Entry &1 for table &2 already exists

S{100 - Overview

• Message type: E = Error

• Message class: S{ - Message Texts for Generated RFC Table Interfaces

• Message number: 100

• Message text: Entry &1 for table &2 already exists

What causes this issue?

An interface with this name was already defined for the table.

System Response

The entry is rejected.

How to fix this error?

Use another name or rename your interface.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S{100 - Entry &1 for table &2 already exists ?

  The SAP error message "S100 Entry &1 for table &2 already exists" typically indicates that there is an attempt to insert a record into a database table where a record with the same key already exists. This is a common issue in database operations, especially when dealing with unique constraints.
  
  Cause:
  
  Duplicate Entry: The most common cause is that the system is trying to insert a new entry into a table where a record with the same key (primary key or unique key) already exists.
  Data Migration Issues: If you are migrating data from one system to another, there may be conflicts with existing data.
  Concurrency Issues: If multiple users or processes are trying to insert the same data simultaneously, it can lead to this error.
  Incorrect Logic in Custom Code: If there is custom ABAP code or enhancements that are not properly checking for existing records before attempting to insert, this can lead to